He gotta go pole the pirogue down the bayou.

他须离去，驾驶小船驶下密西西比河。

It was only a bayou in the ancient time and later on it became a lake for the tide had brought sand to the bayou.After numerous constructions, it became a semi-closed adlittoral lake.

古时为一海湾，因江潮挟带泥沙积形成“泻湖”，又经过历代不断疏浚建设而成为半封闭的浅湖泊。